6357591216 has 90 divisors (see below), whose sum is σ = 18778308900. Its totient is φ = 2007643968.

The previous prime is 6357591181. The next prime is 6357591263. The reversal of 6357591216 is 6121957536.

6357591216 is a `hidden beast` number, since 6 + 3 + 57 + 591 + 2 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9166 + ... + 113133.

Almost surely, 2^6357591216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6357591216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9389154450).

6357591216 is an abundant number, since it is smaller than the sum of its proper divisors (12420717684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6357591216 is a wasteful number, since it uses less digits than its factorization.

6357591216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122351 (or 122323 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 6357591216 is about 79734.5045510411. The cubic root of 6357591216 is about 1852.5255223308.

The spelling of 6357591216 in words is "six billion, three hundred fifty-seven million, five hundred ninety-one thousand, two hundred sixteen".